YY

Yasuo Yamamoto

FI Fujifilm Business Innovation: 58 patents #28 of 5,238Top 1%
RK Riso Kagaku: 15 patents #17 of 551Top 4%
NI Nifco: 10 patents #36 of 650Top 6%
MP Mitsubishi Tanabe Pharma: 6 patents #21 of 503Top 5%
MK Meiji Seika Kaisha: 5 patents #96 of 752Top 15%
EA E.I. Du Pont De Nemours And: 5 patents #1,460 of 8,010Top 20%
DA Daihen: 4 patents #62 of 305Top 25%
CC Cosmo Oil Co.: 3 patents #49 of 229Top 25%
EH E Ink Holdings: 3 patents #246 of 639Top 40%
MC Mitsubishi Gas Chemical Company: 3 patents #605 of 1,727Top 40%
AC Allied Consulting: 3 patents #198 of 1,310Top 20%
SI Sanshin Industries: 3 patents #120 of 319Top 40%
DE Denso: 2 patents #4,986 of 11,792Top 45%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
NC Nitto Electric Industrial Co.: 2 patents #63 of 298Top 25%
HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
PC Petroleum Energy Center: 2 patents #46 of 180Top 30%
NL Nippon Sheet Glass Company, Limited: 2 patents #332 of 836Top 40%
NC Nippon Oil Seal Industry Co.: 1 patents #4 of 17Top 25%
NC Nippon Paper Industries Co.: 1 patents #263 of 535Top 50%
ND Nitto Denko: 1 patents #1,580 of 2,479Top 65%
CI Cosmo Research Institute: 1 patents #48 of 93Top 55%
TI Tokai Rubber Industries: 1 patents #281 of 557Top 55%
TC Tokusen Kogyo Co.: 1 patents #27 of 68Top 40%
JC Japan Hydrazine Co.: 1 patents #17 of 35Top 50%
KC Kinugawa Rubber Ind. Co.: 1 patents #22 of 69Top 35%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
Kubota: 1 patents #1,212 of 2,059Top 60%
TC Toshiba Machine Co.: 1 patents #70 of 186Top 40%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
NI Nidec: 1 patents #568 of 976Top 60%
SU Subaru: 1 patents #677 of 1,436Top 50%
Overall (All Time): #6,658 of 4,157,543Top 1%
145
Patents All Time

Issued Patents All Time

Showing 101–125 of 145 patents

Patent #TitleCo-InventorsDate
5631043 Re-inking process Kenji Ogi, Hiroshi Takayama, Kazuo Maruyama, Eiichi Akutsu 1997-05-20
5617787 Process for perforating stencil printing sheet Nagon Takita 1997-04-08
5616173 Thick film conductor paste for automotive glass Kuninori Okamoto, Hideaki Kuno, Isamu Yaguchi, Jun Koishikawa 1997-04-01
5614935 Ink transfer medium for toner, ink transfer process and re-inking process for the same Kenji Ogi, Hiroshi Takayama, Kazuo Maruyama, Eiichi Akutsu 1997-03-25
5534099 Process for producing heat-sensitive stencil sheet 1996-07-09
5531885 Hydroconversion process for heavy hydrocarbon oil Yoshihiro Mizutani, Takeshi Tomino, Yukio Shibata, Hatsutaro Yamazaki 1996-07-02
5529871 Color toner and process for producing the same Masanori Ichimura, Hiroshi Takayama, Michio Take, Hideyuki Akagi, Takashi Imai +5 more 1996-06-25
5458954 Ink transfer medium for toner, ink transfer process and re-inking process for the same Kenji Ogi, Hiroshi Takayama, Kazuo Maruyama, Eiichi Akutsu 1995-10-17
5458915 Process for producing heat-sensitive stencil sheet 1995-10-17
5429898 Black toner including a kesinous component for forming an image and imaging process Yutaka Sugizaki, Taichi Yamada, Masaki Nakamura, Yasuhiro Uehara, Yasuhiro Kusumoto +1 more 1995-07-04
5380875 Hydroxyproline derivatives and preparative process therefor Yoshiaki Harushima, Akira Nagai 1995-01-10
5379016 Chip resistor Jerome David Smith, Keiichiro Hayakawa 1995-01-03
5373785 Mimeographic transfer printing machine Mitsuru Ujiie, Nagon Takita 1994-12-20
5320925 Electrophotographic toner composition Takashi Imai, Satoshi Inoue, Masanori Ichimura, Yutaka Sugizaki, Susumu Saito +4 more 1994-06-14
5306589 Black toner for color digital copying machine Yutaka Sugizaki 1994-04-26
5301512 Method and apparatus for making snow 1994-04-12
5296324 Toner for developing electrostatic charge image and process for preparing the same Hideyuki Akagi, Susumu Saito, Masaru Miura, Takashi Imai, Masayuki Takei +6 more 1994-03-22
5283007 Conductive polymer compositions Akira Inaba, Takayuki Oba 1994-02-01
5250996 Method for fixing full color toner images Yutaka Sugizaki, Hiroshi Takayama, Hideyuki Akagi, Takashi Imai, Susumu Saito +7 more 1993-10-05
5226222 Fabrication method for transformers with an amorphous core Katsumi Hanaoka, Masatake Hirai, Masatake Kokado, Takeshi Uchikura, Nobuyuki Sumida +7 more 1993-07-13
5187133 Catalyst composition for hydrotreating of hydrocarbons and hydrotreating process using the same Tomohiro Yoshinari, Kazushi Usui, Mitsuru Ohi 1993-02-16
5098999 Amino-protected dopa derivative and production thereof Yasuo Miyadera 1992-03-24
5077914 Hair drying brush of water absorption type 1992-01-07
5055815 Stationary induction electric apparatus Katsumi Hanaoka, Masatake Hirai, Toshiko Yamada 1991-10-08
4975232 Process for producing fiber reinforced plastics linear materials Masaaki Hattori, Mitsuharu Komada, Hario Ioka 1990-12-04